CONFIG_ARM64_GCS: Enable support for Guarded Control Stack (GCS)

General informations

The Linux kernel configuration item CONFIG_ARM64_GCS:

• prompt: Enable support for Guarded Control Stack (GCS)
• type: bool
• depends on: ! CONFIG_UPROBES
• defined in arch/arm64/Kconfig
• found in Linux kernels: 6.13-rc+HEAD

Help text

Guarded Control Stack (GCS) provides support for a separate stack with restricted access which contains only return addresses. This can be used to harden against some attacks by comparing return address used by the program with what is stored in the GCS, and may also be used to efficiently obtain the call stack for applications such as profiling.

The feature is detected at runtime, and will remain disabled if the system does not implement the feature.

Hardware

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This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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